Cita APA (7a ed.)

Lonergan, B. J. F., & Burns, J. P. (1971). Grace and freedom: : operative grace in the thought of St Thomas Aquinas. Darton, Longman and Todd.

Cita Chicago Style (17a ed.)

Lonergan, Bernard J. F., y J. Patout Burns. Grace and Freedom: : Operative Grace in the Thought of St Thomas Aquinas. London: Darton, Longman and Todd, 1971.

Cita MLA (9a ed.)

Lonergan, Bernard J. F., y J. Patout Burns. Grace and Freedom: : Operative Grace in the Thought of St Thomas Aquinas. Darton, Longman and Todd, 1971.